<div id="map"></div>
<script>
    // Set bounds to New York, New York
    var bounds = [
        [-74.04728500751165, 40.68392799015035], // Southwest coordinates
        [-73.91058699000139, 40.87764500765852] // Northeast coordinates
    ];

    var map = new mapboxgl.Map({
        container: 'map',
        style: 'mapbox://styles/mapbox/streets-v11',
        center: [-73.9978, 40.7209],
        zoom: 13,
        maxBounds: bounds // Sets bounds as max
    });
</script>
